Adjustments panel new

Masks panel new
Adobe Photoshop CS4 quickly create and edit masks from the new Masks panel. This panel offers all the tools you need to create editable pixel- and vector-based masks, adjust mask density and feathering, easily select noncontiguous objects, and more.

Extended depth of field enhanced
Adobe Photoshop CS4 easily create a single image from a series of shots that have different focal points with the enhanced Auto-Blend Layers command, which smoothly blends color and shading and now extends your depth of field, automatically correcting vignettes and lens distortion.

Auto-alignment of layers enhanced
Adobe Photoshop CS4 creates accurate composites with the enhanced Auto-Align Layers command. Move, rotate, or warp layers to align them more accurately than ever before. Or use spherical alignment to create breathtaking panoramas.

Auto-blending of images enhanced
Adobe Photoshop CS4 combines a range of images, each with a different exposure, color, and focal point — with options to preserve tones and colors — into a single color-corrected image.

More powerful printing options enhanced
Adobe Photoshop CS4 get outstanding prints with superior color management, tighter integration with leading printer models, and the ability to preview out-of-gamut image areas. Support for 16-bit printing on Mac OS offers increased color depth and clarity.

Improved Adobe Photoshop Lightroom workflow enhanced
Select multiple photos in Adobe Photoshop Lightroom® (sold separately) and automatically open them in Photoshop CS4 to merge them into a panorama, a high dynamic range (HDR) photo, or a multilayered Photoshop document. And seamlessly roundtrip back to Lightroom.

Content-Aware Scaling new 
Adobe Photoshop CS4 allows to use the new and revolutionary Content-Aware Scaling feature to automatically recompose an image as you resize it, smartly preserving vital areas as the image adapts to the new dimensions. Get the perfect image in one step without time-intensive cropping and retouching.

Enhanced motion graphics editing enhanced
Adobe Photoshop CS4 allow to edit motion graphics more efficiently with new single-key shortcuts, sync visual effects with specific points in an audio track using new audio syncing controls, and turn any 3D object into a video display zone.

File display options new
Adobe Photoshop CS4 allows easily work with multiple open files by using tabbed document display or n-up views.